The random missing of data is modeled as a stochastic variable satisfying Bernoulli distribution.
采用满足伯努利分布的随机变量来描述数据的随机丢失.
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Firstly, the article introduces the theory of system simulation and the numeral and the stochastic variable.
本文首先介绍了系统模拟理论,以及产生随机数从而生成需要的随机变量的方法.
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